Books by Marvin C. Cheney:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Cheney, Marvin C.: Investigation of a bearingless helicopter rotor concept having a composite primary structure (National Aeronautics and Space Administration ;, 1976), also by Richard L. Bielawa, Richard C. Novak, United Technologies Research Center, and United States National Aeronautics and Space Administration (page images at HathiTrust)
Find more by Marvin C. Cheney at your library, or elsewhere.